git cl try-results: show running jobs in YELLOW color.

R=dpranke@google.com

Change-Id: I62f198d03e8326196476c42cd7c317871894f4d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2485093
Auto-Submit: Andrii Shyshkalov <tandrii@google.com>
Commit-Queue: Dirk Pranke <dpranke@google.com>
Reviewed-by: Dirk Pranke <dpranke@google.com>

git_cl.py

@@ -547,7 +547,8 @@ def _print_tryjobs(options, builds):
   print_builds('Failures:', builds_by_status.pop('FAILURE', []), color=Fore.RED)
   print_builds('Canceled:', builds_by_status.pop('CANCELED', []), fmt='{name}',
       color=Fore.MAGENTA)
-  print_builds('Started:', builds_by_status.pop('STARTED', []))
+  print_builds('Started:', builds_by_status.pop('STARTED', []),
+      color=Fore.YELLOW)
   print_builds(
       'Scheduled:', builds_by_status.pop('SCHEDULED', []), fmt='{name} id={id}')
   # The last section is just in case buildbucket API changes OR there is a bug.